20416965075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6980159}}^1$

素因数の和:6980188

約数の個数: 36

約数和(自身を含む): 39382062720

約数和(自身を除く): 18965097645

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6980159, 20940477, 34900795, 62821431, 90742067, 104702385, 174503975, 272226201, 314107155, 453710335, 523511925, 816678603, 1361131005, 1570535775, 2268551675, 4083393015, 6805655025, 20416965075]

約数ペア:

[(1, 20416965075), (3, 6805655025), (5, 4083393015), (9, 2268551675), (13, 1570535775), (15, 1361131005), (25, 816678603), (39, 523511925), (45, 453710335), (65, 314107155), (75, 272226201), (117, 174503975), (195, 104702385), (225, 90742067), (325, 62821431), (585, 34900795), (975, 20940477), (2925, 6980159)]